Quaking aspen is the most widely distributed tree in North America. Its native range extends from the mountains of central Mexico to the Brooks Range in Alaska, and from the Pacific to the Atlantic ...

In the mountains above Flagstaff, each year brings an autumnal leaf season — thanks to the presence of one of the area’s iconic sights, the quaking aspen.

Like most aspens, it has long flat leaf steams that are known to flutter in the wind. Quaking aspen is found int he northern part of the state of Indiana. This species is found from Nefoundland ...

I’m pretty sure this was a quaking aspen (Populus tremuloides) or as many of us New Englanders know them, a quaking poplar. When I think of a "cheery" tree, I think of quaking aspens.

Turns out, quaking aspen (Populus tremuloides) is actually the most widely distributed tree species in North America. It’s native to all but a few of the 49 continental states, the exceptions ...

The quaking aspen leaf is roundish and somewhat heart-shaped, with a fine-toothed edge that is barely perceptible. The leaves are 1-3 inches long.

Aspen leaves turn golden yellow, orange and red in the fall, and they account for 20% of the state's forests, so Coloradans can expect to see plenty of those colors as fall foliage peaks this season.